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Official data from INPI

PROCESSO E DISPOSITIVO PARA REGISTRAR GRAFICAMENTE A PRESSAO DE COMPRESSAO EM MOTORES DE COMBUSTAO INTERNA

Concessão AnuladaInvention Patent

Application data

Number

PI7907254

Type

Invention Patent

Filing

11/09/1978

Publication

-

Progress at the INPI

  1. Filing11/09/78
  2. Publication
  3. Examination09/08/82
  4. Allowance07/19/83
  5. Grant01/31/84
  6. Terminated09/25/90

The patent was granted on 01/31/1984 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 04/17/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SCHINDLING AG U

Inventors

F. B. (pessoa física)

K. P. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

16.3

04/17/1984

RPI 704

Concessão da patente

#16.1

01/31/1984

RPI 693

Notificação para pagamento de retribuição

#13.1

11/16/1983

RPI 682

Deferimento

#9.1

07/19/1983

RPI 665

Exigência - art. 36 da LPI

#6.1

03/01/1983

RPI 645

Solicitação de exame técnico

#4.1

09/08/1982

RPI 620

Anuidade - prazo legal encerrado

#18.2

09/25/1990

RPI 1034

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